協作者

• 2015 年春季
  • 洪文麟, 蔣亞翰, 邱酩仁, 張家榮, 顧又榮

共筆

• 2015 年春季: hackpad <https://embedded2015.hackpad.com/Team6--D3q9lvQUPDH>_

硬體及測試平台

Lmbench 3.0 測試方法分析

Context Switch Latency on BeagleBoard Black(Linux)

Context Switch Latency 測試理論

• Abstract Machine Model

.. image:: /embedded/arm_linux/Abstract_Machine_Model_1.png

.. image:: /embedded/arm_linux/Abstract_Machine_Model_2.png

• 參考資料：Measuring cache and TLB performance and their effect on benchmark runtimes<http://ieeexplore.ieee.org/xpl/login.jsp?tp=&arnumber=467697&url=http%3A%2F%2Fieeexplore.ieee.org%2Fxpls%2Fabs_all.jsp%3Farnumber%3D467697>_

Context Switch Latency 理論與實際的結合

Context Switch Latency 實驗過程

Context Switch Latency 實驗結果 及 分析

System Call Latency on BeagleBoard Black(Linux)

Unix Latency on BeagleBoard Black(Linux)

Memory Read Latency on BeagleBoard Black(Linux)

Ftrace

KernelShark

Linux Kernel Timer Interrupt

Linux Scheduler 行為分析